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Upgrade

ix_schema

Trait Upgrade 

Source 
pub trait Upgrade<Target> {
    // Required method
    fn upgrade(self) -> Target;
}
Expand description

A multi-hop migration from an older schema Self to a later one Target.

Where MigrateFrom is a single edge (V2 from V1), Upgrade is a whole path (V1 all the way to V3). Implementations are generated by migrate_chain! as the composition of single-hop MigrateFrom calls, so every hop is type-checked and the whole walk inlines to zero runtime cost.

Required Methods§

Source

fn upgrade(self) -> Target

Convert this value to Target by composing single-hop migrations.

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§